(* create map *)
let map = Leaflet.Map.create_on "map"

(* setup map *)
let () =
  (* set osm layer *)
  let osm_layer = Leaflet.Layer.create_tile_osm [] in
  Leaflet.Layer.add_to map osm_layer;

  (* set view *)
  let latlng = Leaflet.Latlng.create ~lat:40.71 ~lng:(-74.0) in
  ignore @@ Leaflet.Map.set_view latlng ~zoom:(Some 13) map